About PrePersist

manual

JPA Lifecycle Events

Explains how to use JPA lifecycle events (client side triggers) with callback methods and listener classes.... static class MyEntityWithCallbacks { @PrePersist javax.persistence.PrePersist JPA annotation Is used to specify callback methods for ...

 
api-jpa

JPA Annotations for Callback Methods

Reference (JavaDoc) of JPA 2 event callback and listener annotations, including @PrePersist(2), @PreRemove, @PreUpdate, @PostLoad, @PostPersist, @PostRemove and @PostUpdate.... as JPA callback methods: javax.persistence.PrePersist javax.persistence.PreRemove ...

 
forum_thread

@PrePersist Implementation

Hi Please help me.I have requirement like In my project having arround 100 pojos .I have used @EntityListener and @prePersist annotaions to invoke my action class .. But problem is how can i get oldvalue and new value of current form of pojo in side my @entity Listener Action class. code snipt ===== Action class ======= ... having arround 100 pojos .I have used @EntityListener and @prePersist annotaions to invoke my action class .. But problem is how ... implements AuditorWare<IptAuditLog> @ PrePersist public void prePersist ( Object obj ) ...

 
issue

@PrePersist not working correctly

I have a method to calculate some values before persisting to the database. So i annotated it with @PrePersist. If i merge an object the annotated method get's called but all members are on their default values. I only tried it with new objects. So merge get's an object with id = null and therefore shoud behave like persist. (I always use merge) If i set a breakpoint before the em.merge(..) call the object is ok. Inside the @PrePersist method all fields are cleared.  ... persisting to the database. So i annotated it with @PrePersist . If i merge an object the annotated method get's called but ... the em.merge(..) call the object is ok. Inside the @PrePersist method all fields are cleared.  ...

 
forum_thread

@PrePersist Problem

HI I am trying to use @PrePersist annotation in my project.This application is using struts2 with jpa combination .so can u please tell me how to us this annotaton before save the record into persistence.   claerly how to use in pojo and in action class ... HI I am trying to use @PrePersist annotation in my project.This application is using struts2 with jpa ...

 
forum_thread

LifeCycle Event with Embeddable classes

Hello, is there a way that lifecycle events like prepersist or preupdate are also fired for embeddable classes, not just for entities? My case looks as follows: ... Hello, is there a way that lifecycle events like prepersist or preupdate are also fired for embeddable classes, not just for ... private Timestamp modifyDate ;   @ PrePersist @ PreUpdate void onPreUpdate ( ) ...

 
api-jpa

javax.persistence.PrePersist

Is used to specify callback methods for the corresponding lifecycle event.(Annotation of JPA)

 
issue

com.objectdb.o.InternalException: null

After an error in a @PrePersist method in an Entity class, the database stopped working. Fortunately this was in development, but still worrying! The Entity class ... After an error in a @PrePersist method in an Entity class, the database stopped working. ... return spouse ; }   @ PrePersist private void setDateOfBirth ( ) ...

 
forum_thread

auto generate timestamp

Hi all, How can I create auto timestamping column? I want the database to generate the timestamp. I tried google but suggested solutions doesn't work in objectDB. http://stackoverflow.com/questions/811845/setting-a-jpa-timestamp-column-to-be-generated-by-the-database - Pawel   ... field and update it in an event callback method ( @PrePersist , @PreUpdate ). ObjectDB Support ...

 
issue

Bean Validation (JPA 2.0)

JPA 2 adds support for integration with the Bean Validation API. Constraints are added to entity and embeddable classes by annotations, and can be checked automatically on PrePersist, PreUpdate and PreRemove lifecycle events. Integration with the Validation API is currently not supported by ObjectDB.... by using annotations can be checked automatically on PrePersist, PreUpdate and PreRemove JPA lifecycle events. Integration with ...